Decimeter is 0.1 meter units.
Decimeters to Attometers Converter — dm to am
Convert Decimeter (dm) to Attometer (am) using the exact conversion factor (1 decimeter = 1e+17 attometer). See the formula, worked examples, and conversion table.
Decimeters to Attometers converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
Attometer is 1e-18 meter units.
Result = input x 0.1 / 1e-18.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Decimeters to Attometers
Decimeter and Attometer both measure length. Specifically: Decimeter is 0.1 meter units, and attometer is 1e-18 meter units.
Formula
attometers = decimeters × 1e+17
This factor comes from each unit's defined relationship to the category's base unit: 1 decimeter equals 0.1 base units, and 1 attometer equals 1e-18 base units, so dividing one by the other gives the direct decimeter-to-attometer factor of 1e+17.
Simple example
1 dm × 1e+17 = 1e+17 am
1 decimeter = 1e+17 attometers.
Real-world example
10 dm × 1e+17 = 1e+18 am
10 decimeters = 1e+18 attometers.
Conversion table
| Decimeter (dm) | Attometer (am) |
|---|---|
| 1 dm | 1e+17 am |
| 5 dm | 5e+17 am |
| 10 dm | 1e+18 am |
| 21.0975 dm | 2.10975e+18 am |
| 42.195 dm | 4.2195e+18 am |
| 100 dm | 1e+19 am |
Reverse conversion: Attometer to Decimeter
1e+17 am × 1e-17 = 1 dm
1e+17 attometers = 1 decimeter.
decimeters = attometers × 1e-17
For a page dedicated to this direction, see Attometer to Decimeter.
Understanding the Decimeter (dm)
Decimeter is 0.1 meter units.
Understanding the Attometer (am)
Attometer is 1e-18 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attometers are in 1 decimeter?
1 decimeter equals 1e+17 attometers, using the exact defined conversion factor rather than an estimate.
How do I convert decimeter to attometer?
Multiply the decimeter value by 1e+17. The converter above does this instantly to whatever precision you set.
How do I convert attometer back to decimeter?
Use the reverse factor: 1 attometer equals 1e-17 decimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a decimeter?
Decimeter (dm) is a unit of length.
What is a attometer?
Attometer (am) is a unit of length.
Is the decimeter to attometer conversion exact?
Yes. Both decimeter and attometer are defined by fixed standards rather than physical artifacts, so the factor of 1e+17 used above is exact to as many digits as you choose to display.